diff options
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs_ioctl.c | 19 | ||||
| -rw-r--r-- | include/uapi/misc/habanalabs.h | 9 |
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c index 5d9c269d99db..6474b868ef27 100644 --- a/drivers/misc/habanalabs/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/habanalabs_ioctl.c @@ -242,6 +242,22 @@ static int get_clk_rate(struct hl_device *hdev, struct hl_info_args *args) min((size_t) max_size, sizeof(clk_rate))) ? -EFAULT : 0; } +static int get_reset_count(struct hl_device *hdev, struct hl_info_args *args) +{ + struct hl_info_reset_count reset_count = {0}; + u32 max_size = args->return_size; + void __user *out = (void __user *) (uintptr_t) args->return_pointer; + + if ((!max_size) || (!out)) + return -EINVAL; + + reset_count.hard_reset_cnt = hdev->hard_reset_cnt; + reset_count.soft_reset_cnt = hdev->soft_reset_cnt; + + return copy_to_user(out, &reset_count, + min((size_t) max_size, sizeof(reset_count))) ? -EFAULT : 0; +} + static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, struct device *dev) { @@ -260,6 +276,9 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, case HL_INFO_DEVICE_STATUS: return device_status_info(hdev, args); + case HL_INFO_RESET_COUNT: + return get_reset_count(hdev, args); + default: break; } diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 716e70750f23..4faa2c9767e5 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -98,6 +98,9 @@ enum hl_device_status { * HL_INFO_CLK_RATE - Retrieve the current and maximum clock rate * of the device in MHz. The maximum clock rate is * configurable via sysfs parameter + * HL_INFO_RESET_COUNT - Retrieve the counts of the soft and hard reset + * operations performed on the device since the last + * time the driver was loaded. */ #define HL_INFO_HW_IP_INFO 0 #define HL_INFO_HW_EVENTS 1 @@ -107,6 +110,7 @@ enum hl_device_status { #define HL_INFO_DEVICE_UTILIZATION 6 #define HL_INFO_HW_EVENTS_AGGREGATE 7 #define HL_INFO_CLK_RATE 8 +#define HL_INFO_RESET_COUNT 9 #define HL_INFO_VERSION_MAX_LEN 128 #define HL_INFO_CARD_NAME_MAX_LEN 16 @@ -160,6 +164,11 @@ struct hl_info_clk_rate { __u32 max_clk_rate_mhz; }; +struct hl_info_reset_count { + __u32 hard_reset_cnt; + __u32 soft_reset_cnt; +}; + struct hl_info_args { /* Location of relevant struct in userspace */ __u64 return_pointer; |